MADE IN USA Startool Original Carbide 3/32 Nail Bit LARGE Barrel Smooth Edge (CHAMFER). Available In: Carbide, Silver, or Gold. 3/32\” or 1/8\” Shank Size. Regular or Chamfer. STF – Fine (carbide) 8625 STM – Medium (carbide) 8626 STC – Coarse (carbide) 8627 STX – X Coarse (carbide) 8628 STXX – 2X Coarse (carbide) 8629 STXXX – 3X Coarse (carbide) 8630 ST4X – 4X Coarse (carbide) 8631 ST5X – 5X Coarse (carbide) 8632